function ViewImage(ifile,ix,iy,ititle) { 
        
	var win;
        var sWidth;
        var sHeight;
		var height = screen.height;
        var width = screen.width;
        var leftpos = width / 2 - ix / 2;
        var toppos = height / 2 - iy / 2;
        var NS = (document.layers) ? 1 : 0;
        win = window.open("","imageviewer","width="+ix+",height="+iy+",left="+leftpos+",top="+toppos+",menubar=no,toolbar=no");
        if (NS) {
           sWidth = win.innerWidth;
           sHeight = win.innerHeight;
        } else {
           sWidth = win.document.body.clientWidth;
           sHeight = win.document.body.clientHeight;
        }
        win.document.open();
        win.document.write("<html><head><title>"+ititle+"</title>");
        win.document.write("</head><body>");
        win.document.write('<div style="position:absolute;width:'+ix+'px;height:'+iy+'px;left:0px;top:0px">');
        win.document.write("<img src="+ifile+"></div></body></html>");
        win.document.close();
}

